Build number sense by exploring the relationships between factors and multiples. Learn to identify prime and composite numbers and find common factors and multiples.
Find all factor pairs for whole numbers 1-100
Identify whether numbers are prime or composite
List and identify multiples of given numbers
Find greatest common factor and least common multiple
Two numbers that multiply together to give a product. Example: Factor pairs of 12 are (1,12), (2,6), and (3,4).
Numbers with exactly two factors: 1 and itself. Examples: 2, 3, 5, 7, 11, 13. Remember: 1 is NOT prime!
Numbers with more than two factors. Example: 12 has six factors (1, 2, 3, 4, 6, 12), so it's composite.
The result of multiplying a number by any whole number. Multiples of 5: 5, 10, 15, 20, 25...
Complete lesson plans and strategies
Introduction to factors and multiples
30 problems across all skills
10 test-format questions
Home practice activities
Complete solutions with explanations
Print all materials for classroom use or send home with students.